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用了FR8012H的模块和FR8016H的两个产品都试了 都是可以正常连接上串口,但是一点写入所有内容,等待几秒钟就会出现“擦除data失败” 程序用的是例程,但是bin文件下载不进去 有没有大神指点一下是什么问题?